2010-08-17 03:33:07 +02:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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2009-11-18 00:42:52 +01:00
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2012-07-18 19:07:51 +02:00
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#pragma once
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2009-11-18 00:42:52 +01:00
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2010-02-03 13:03:47 +01:00
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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2012-04-12 00:20:58 +02:00
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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2010-02-03 13:03:47 +01:00
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2012-04-12 00:20:58 +02:00
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Lesser General Public License for more details.
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2010-02-03 13:03:47 +01:00
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2012-04-12 00:20:58 +02:00
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You should have received a copy of the GNU Lesser General Public License
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2010-02-03 13:03:47 +01:00
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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2013-04-17 23:19:38 +02:00
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#include <alloca.h>
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2009-11-18 00:42:52 +01:00
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#include <inttypes.h>
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#include <time.h>
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#include <sys/time.h>
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2011-05-02 14:13:08 +02:00
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#include <stdarg.h>
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2009-11-18 00:42:52 +01:00
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#include <stdbool.h>
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2010-01-23 01:52:57 +01:00
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#include <stdlib.h>
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2010-04-13 02:06:27 +02:00
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#include <stdio.h>
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2010-05-22 01:46:08 +02:00
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#include <signal.h>
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2010-07-04 16:44:58 +02:00
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#include <sched.h>
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2010-07-07 17:40:25 +02:00
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#include <limits.h>
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2012-09-16 16:14:11 +02:00
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#include <sys/types.h>
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2010-10-08 02:31:36 +02:00
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#include <sys/stat.h>
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2010-10-18 22:38:41 +02:00
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#include <dirent.h>
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2012-04-12 03:38:52 +02:00
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#include <sys/resource.h>
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2012-09-19 22:21:09 +02:00
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#include <stddef.h>
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2013-03-26 11:36:31 +01:00
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#include <unistd.h>
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2013-04-25 05:04:02 +02:00
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#include <locale.h>
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2013-10-04 04:13:55 +02:00
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#include <mntent.h>
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2009-11-18 00:42:52 +01:00
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2010-06-23 19:46:29 +02:00
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#include "macro.h"
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2012-11-23 22:07:24 +01:00
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#include "time-util.h"
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2010-05-24 01:45:54 +02:00
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2012-09-19 22:21:09 +02:00
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union dirent_storage {
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struct dirent de;
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uint8_t storage[offsetof(struct dirent, d_name) +
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((NAME_MAX + 1 + sizeof(long)) & ~(sizeof(long) - 1))];
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};
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2010-01-26 07:02:51 +01:00
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/* What is interpreted as whitespace? */
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2010-01-27 22:37:50 +01:00
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#define WHITESPACE " \t\n\r"
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2010-04-08 03:22:25 +02:00
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#define NEWLINE "\n\r"
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2010-09-16 00:36:41 +02:00
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#define QUOTES "\"\'"
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2013-04-14 02:22:53 +02:00
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#define COMMENTS "#;"
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2010-01-26 07:02:51 +01:00
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2012-01-14 03:06:57 +01:00
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#define FORMAT_BYTES_MAX 8
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2010-04-10 04:38:49 +02:00
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2012-01-13 21:56:09 +01:00
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#define ANSI_HIGHLIGHT_ON "\x1B[1;39m"
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2013-02-28 00:03:22 +01:00
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#define ANSI_RED_ON "\x1B[31m"
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2012-01-17 12:50:42 +01:00
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#define ANSI_HIGHLIGHT_RED_ON "\x1B[1;31m"
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2013-03-02 13:16:27 +01:00
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#define ANSI_GREEN_ON "\x1B[32m"
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2010-08-11 15:19:31 +02:00
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#define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m"
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2012-05-14 12:23:23 +02:00
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#define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m"
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2013-12-17 04:34:07 +01:00
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#define ANSI_HIGHLIGHT_BLUE_ON "\x1B[1;34m"
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2010-07-05 02:40:39 +02:00
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#define ANSI_HIGHLIGHT_OFF "\x1B[0m"
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2013-02-27 22:52:43 +01:00
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#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
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2010-07-05 02:40:39 +02:00
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2011-03-18 03:03:41 +01:00
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size_t page_size(void);
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#define PAGE_ALIGN(l) ALIGN_TO((l), page_size())
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2009-11-18 00:42:52 +01:00
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#define streq(a,b) (strcmp((a),(b)) == 0)
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2010-10-07 13:24:39 +02:00
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#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
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2013-02-12 21:47:37 +01:00
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#define strcaseeq(a,b) (strcasecmp((a),(b)) == 0)
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#define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0)
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2009-11-18 00:42:52 +01:00
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2013-05-03 04:51:50 +02:00
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bool streq_ptr(const char *a, const char *b) _pure_;
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2010-04-10 04:38:14 +02:00
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2012-09-20 00:02:01 +02:00
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#define new(t, n) ((t*) malloc_multiply(sizeof(t), (n)))
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2009-11-18 00:42:52 +01:00
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#define new0(t, n) ((t*) calloc((n), sizeof(t)))
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2012-04-22 13:37:24 +02:00
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#define newa(t, n) ((t*) alloca(sizeof(t)*(n)))
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2012-09-20 00:02:01 +02:00
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#define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n)))
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2012-04-16 18:54:45 +02:00
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2009-11-18 00:42:52 +01:00
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#define malloc0(n) (calloc((n), 1))
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static inline const char* yes_no(bool b) {
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return b ? "yes" : "no";
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}
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static inline const char* strempty(const char *s) {
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return s ? s : "";
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}
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static inline const char* strnull(const char *s) {
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return s ? s : "(null)";
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}
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2009-11-19 00:47:41 +01:00
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static inline const char *strna(const char *s) {
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return s ? s : "n/a";
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}
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2011-04-16 01:57:23 +02:00
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static inline bool isempty(const char *p) {
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return !p || !p[0];
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}
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2013-08-21 22:16:44 +02:00
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static inline const char *startswith(const char *s, const char *prefix) {
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if (strncmp(s, prefix, strlen(prefix)) == 0)
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return s + strlen(prefix);
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return NULL;
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}
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static inline const char *startswith_no_case(const char *s, const char *prefix) {
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if (strncasecmp(s, prefix, strlen(prefix)) == 0)
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return s + strlen(prefix);
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return NULL;
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}
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2013-05-03 04:51:50 +02:00
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char *endswith(const char *s, const char *postfix) _pure_;
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2009-11-18 00:42:52 +01:00
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2013-05-03 04:51:50 +02:00
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bool first_word(const char *s, const char *word) _pure_;
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2010-01-30 01:52:44 +01:00
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2010-01-19 02:56:37 +01:00
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int close_nointr(int fd);
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2010-01-28 01:53:15 +01:00
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void close_nointr_nofail(int fd);
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2010-06-16 21:54:17 +02:00
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void close_many(const int fds[], unsigned n_fd);
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2009-11-18 00:42:52 +01:00
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2013-05-03 04:51:50 +02:00
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int parse_boolean(const char *v) _pure_;
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2011-08-20 00:20:41 +02:00
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int parse_bytes(const char *t, off_t *bytes);
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2010-06-17 22:50:35 +02:00
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int parse_pid(const char *s, pid_t* ret_pid);
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2011-07-22 21:01:15 +02:00
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int parse_uid(const char *s, uid_t* ret_uid);
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#define parse_gid(s, ret_uid) parse_uid(s, ret_uid)
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2009-11-19 00:46:47 +01:00
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int safe_atou(const char *s, unsigned *ret_u);
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int safe_atoi(const char *s, int *ret_i);
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2010-07-07 17:40:25 +02:00
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int safe_atollu(const char *s, unsigned long long *ret_u);
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int safe_atolli(const char *s, long long int *ret_i);
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2013-02-14 21:32:49 +01:00
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int safe_atod(const char *s, double *ret_d);
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2010-07-07 17:40:25 +02:00
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#if __WORDSIZE == 32
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static inline int safe_atolu(const char *s, unsigned long *ret_u) {
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assert_cc(sizeof(unsigned long) == sizeof(unsigned));
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return safe_atou(s, (unsigned*) ret_u);
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}
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static inline int safe_atoli(const char *s, long int *ret_u) {
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assert_cc(sizeof(long int) == sizeof(int));
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return safe_atoi(s, (int*) ret_u);
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}
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#else
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static inline int safe_atolu(const char *s, unsigned long *ret_u) {
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assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));
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return safe_atollu(s, (unsigned long long*) ret_u);
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}
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static inline int safe_atoli(const char *s, long int *ret_u) {
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assert_cc(sizeof(long int) == sizeof(long long int));
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return safe_atolli(s, (long long int*) ret_u);
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}
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#endif
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2010-06-23 19:46:29 +02:00
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static inline int safe_atou32(const char *s, uint32_t *ret_u) {
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assert_cc(sizeof(uint32_t) == sizeof(unsigned));
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return safe_atou(s, (unsigned*) ret_u);
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}
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2010-07-07 17:40:25 +02:00
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static inline int safe_atoi32(const char *s, int32_t *ret_i) {
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2010-06-23 19:46:29 +02:00
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assert_cc(sizeof(int32_t) == sizeof(int));
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2010-07-07 17:40:25 +02:00
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return safe_atoi(s, (int*) ret_i);
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2010-06-23 19:46:29 +02:00
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}
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2010-07-07 17:40:25 +02:00
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static inline int safe_atou64(const char *s, uint64_t *ret_u) {
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assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
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return safe_atollu(s, (unsigned long long*) ret_u);
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}
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2010-01-26 04:18:44 +01:00
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2010-07-07 17:40:25 +02:00
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static inline int safe_atoi64(const char *s, int64_t *ret_i) {
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assert_cc(sizeof(int64_t) == sizeof(long long int));
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return safe_atolli(s, (long long int*) ret_i);
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}
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2010-01-26 04:18:44 +01:00
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2010-02-13 01:05:12 +01:00
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char *split(const char *c, size_t *l, const char *separator, char **state);
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2010-01-26 04:18:44 +01:00
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char *split_quoted(const char *c, size_t *l, char **state);
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2009-11-19 02:50:21 +01:00
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2010-01-26 04:18:44 +01:00
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#define FOREACH_WORD(word, length, s, state) \
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2010-02-14 01:07:36 +01:00
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for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state)))
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2010-02-13 01:05:12 +01:00
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#define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \
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2010-02-14 01:07:36 +01:00
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for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state)))
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2009-11-19 02:50:21 +01:00
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2010-01-26 04:18:44 +01:00
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#define FOREACH_WORD_QUOTED(word, length, s, state) \
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2010-02-14 01:07:36 +01:00
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for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(state)))
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2010-01-26 04:18:44 +01:00
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pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
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2011-04-16 02:02:54 +02:00
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int get_starttime_of_pid(pid_t pid, unsigned long long *st);
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2010-01-26 04:18:44 +01:00
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2010-01-26 07:02:51 +01:00
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char *strappend(const char *s, const char *suffix);
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2010-07-08 04:09:59 +02:00
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char *strnappend(const char *s, const char *suffix, size_t length);
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char *replace_env(const char *format, char **env);
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char **replace_env_argv(char **argv, char **env);
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2010-01-26 07:02:51 +01:00
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2010-01-26 21:39:06 +01:00
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int readlink_malloc(const char *p, char **r);
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2010-06-16 01:56:00 +02:00
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int readlink_and_make_absolute(const char *p, char **r);
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2011-07-22 04:21:18 +02:00
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int readlink_and_canonicalize(const char *p, char **r);
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2010-01-26 21:39:06 +01:00
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2010-01-27 06:19:28 +01:00
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int reset_all_signal_handlers(void);
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2010-01-27 22:37:50 +01:00
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char *strstrip(char *s);
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2010-04-07 20:27:05 +02:00
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char *delete_chars(char *s, const char *bad);
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2010-04-08 03:22:25 +02:00
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char *truncate_nl(char *s);
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2010-04-07 20:27:05 +02:00
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2010-01-27 22:37:50 +01:00
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char *file_in_same_dir(const char *path, const char *filename);
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2010-06-18 21:33:15 +02:00
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int rmdir_parents(const char *path, const char *stop);
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2011-10-07 21:06:39 +02:00
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int get_process_comm(pid_t pid, char **name);
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int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line);
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int get_process_exe(pid_t pid, char **name);
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2012-01-10 04:20:55 +01:00
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int get_process_uid(pid_t pid, uid_t *uid);
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2012-09-18 01:53:15 +02:00
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int get_process_gid(pid_t pid, gid_t *gid);
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2013-07-16 03:10:56 +02:00
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int get_process_capeff(pid_t pid, char **capeff);
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2010-04-08 03:22:25 +02:00
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2013-05-01 04:07:33 +02:00
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char hexchar(int x) _const_;
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int unhexchar(char c) _const_;
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char octchar(int x) _const_;
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int unoctchar(char c) _const_;
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char decchar(int x) _const_;
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int undecchar(char c) _const_;
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2010-01-29 01:48:57 +01:00
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char *cescape(const char *s);
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char *cunescape(const char *s);
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2010-07-07 20:58:02 +02:00
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char *cunescape_length(const char *s, size_t length);
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2012-08-09 16:49:28 +02:00
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char *cunescape_length_with_prefix(const char *s, size_t length, const char *prefix);
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2010-07-07 20:58:02 +02:00
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char *xescape(const char *s, const char *bad);
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2010-01-29 01:48:57 +01:00
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char *ascii_strlower(char *path);
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2013-05-03 04:51:50 +02:00
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bool dirent_is_file(const struct dirent *de) _pure_;
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bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) _pure_;
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2011-10-07 21:06:39 +02:00
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2013-05-03 04:51:50 +02:00
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bool ignore_file(const char *filename) _pure_;
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2010-02-14 01:07:01 +01:00
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2013-05-03 04:51:50 +02:00
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|
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bool chars_intersect(const char *a, const char *b) _pure_;
|
2010-04-07 20:27:19 +02:00
|
|
|
|
2010-05-15 17:25:08 +02:00
|
|
|
int make_stdio(int fd);
|
2010-10-27 05:45:57 +02:00
|
|
|
int make_null_stdio(void);
|
2012-07-10 19:19:59 +02:00
|
|
|
int make_console_stdio(void);
|
2010-05-15 17:25:08 +02:00
|
|
|
|
2010-06-16 05:05:36 +02:00
|
|
|
unsigned long long random_ull(void);
|
2013-10-01 23:11:23 +02:00
|
|
|
unsigned random_u(void);
|
2010-06-16 05:05:36 +02:00
|
|
|
|
2012-10-30 14:29:38 +01:00
|
|
|
/* For basic lookup tables with strictly enumerated entries */
|
2011-09-23 09:39:40 +02:00
|
|
|
#define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \
|
|
|
|
scope const char *name##_to_string(type i) { \
|
2010-01-30 01:52:32 +01:00
|
|
|
if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \
|
|
|
|
return NULL; \
|
|
|
|
return name##_table[i]; \
|
|
|
|
} \
|
2011-09-23 09:39:40 +02:00
|
|
|
scope type name##_from_string(const char *s) { \
|
2010-01-30 01:52:32 +01:00
|
|
|
type i; \
|
|
|
|
assert(s); \
|
|
|
|
for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
|
2010-07-01 00:29:17 +02:00
|
|
|
if (name##_table[i] && \
|
|
|
|
streq(name##_table[i], s)) \
|
2010-01-30 01:52:32 +01:00
|
|
|
return i; \
|
|
|
|
return (type) -1; \
|
|
|
|
} \
|
|
|
|
struct __useless_struct_to_allow_trailing_semicolon__
|
|
|
|
|
2011-09-23 09:39:40 +02:00
|
|
|
#define DEFINE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,)
|
|
|
|
#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,static)
|
2010-01-30 01:52:32 +01:00
|
|
|
|
2012-10-30 14:29:38 +01:00
|
|
|
/* For string conversions where numbers are also acceptable */
|
|
|
|
#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \
|
|
|
|
int name##_to_string_alloc(type i, char **str) { \
|
|
|
|
char *s; \
|
|
|
|
int r; \
|
|
|
|
if (i < 0 || i > max) \
|
|
|
|
return -ERANGE; \
|
|
|
|
if (i < (type) ELEMENTSOF(name##_table)) { \
|
|
|
|
s = strdup(name##_table[i]); \
|
|
|
|
if (!s) \
|
|
|
|
return log_oom(); \
|
|
|
|
} else { \
|
|
|
|
r = asprintf(&s, "%u", i); \
|
|
|
|
if (r < 0) \
|
|
|
|
return log_oom(); \
|
|
|
|
} \
|
|
|
|
*str = s; \
|
|
|
|
return 0; \
|
|
|
|
} \
|
|
|
|
type name##_from_string(const char *s) { \
|
|
|
|
type i; \
|
|
|
|
unsigned u = 0; \
|
|
|
|
assert(s); \
|
|
|
|
for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
|
|
|
|
if (name##_table[i] && \
|
|
|
|
streq(name##_table[i], s)) \
|
|
|
|
return i; \
|
2012-10-30 15:45:50 +01:00
|
|
|
if (safe_atou(s, &u) >= 0 && u <= max) \
|
2012-10-30 14:29:38 +01:00
|
|
|
return (type) u; \
|
|
|
|
return (type) -1; \
|
|
|
|
} \
|
|
|
|
struct __useless_struct_to_allow_trailing_semicolon__
|
|
|
|
|
2010-04-06 21:53:02 +02:00
|
|
|
int fd_nonblock(int fd, bool nonblock);
|
|
|
|
int fd_cloexec(int fd, bool cloexec);
|
|
|
|
|
2010-04-06 23:35:59 +02:00
|
|
|
int close_all_fds(const int except[], unsigned n_except);
|
|
|
|
|
2010-04-10 17:41:34 +02:00
|
|
|
bool fstype_is_network(const char *fstype);
|
|
|
|
|
2010-04-10 23:36:43 +02:00
|
|
|
int chvt(int vt);
|
|
|
|
|
2012-01-22 18:21:15 +01:00
|
|
|
int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl);
|
2013-10-16 03:17:09 +02:00
|
|
|
int ask(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
|
2010-04-13 02:06:27 +02:00
|
|
|
|
2012-01-29 21:55:51 +01:00
|
|
|
int reset_terminal_fd(int fd, bool switch_to_text);
|
2011-05-18 01:07:31 +02:00
|
|
|
int reset_terminal(const char *name);
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
int open_terminal(const char *name, int mode);
|
2012-06-26 12:16:18 +02:00
|
|
|
int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm, usec_t timeout);
|
2010-04-13 02:06:27 +02:00
|
|
|
int release_terminal(void);
|
|
|
|
|
|
|
|
int flush_fd(int fd);
|
|
|
|
|
2010-05-22 01:46:08 +02:00
|
|
|
int ignore_signals(int sig, ...);
|
|
|
|
int default_signals(int sig, ...);
|
|
|
|
int sigaction_many(const struct sigaction *sa, ...);
|
2010-04-13 02:36:19 +02:00
|
|
|
|
2010-04-16 23:24:39 +02:00
|
|
|
int close_pipe(int p[]);
|
2011-05-25 00:54:32 +02:00
|
|
|
int fopen_temporary(const char *path, FILE **_f, char **_temp_path);
|
2010-04-16 23:24:39 +02:00
|
|
|
|
2010-06-18 04:44:53 +02:00
|
|
|
ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll);
|
|
|
|
ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll);
|
2010-04-16 23:24:39 +02:00
|
|
|
|
2010-05-16 18:13:58 +02:00
|
|
|
bool is_device_path(const char *path);
|
|
|
|
|
2010-05-24 05:25:33 +02:00
|
|
|
int dir_is_empty(const char *path);
|
2013-03-29 01:17:24 +01:00
|
|
|
char* dirname_malloc(const char *path);
|
2010-05-24 05:25:33 +02:00
|
|
|
|
2010-06-16 21:54:17 +02:00
|
|
|
void rename_process(const char name[8]);
|
2010-04-06 23:36:48 +02:00
|
|
|
|
2010-06-17 23:22:56 +02:00
|
|
|
void sigset_add_many(sigset_t *ss, ...);
|
|
|
|
|
2012-05-21 17:19:58 +02:00
|
|
|
bool hostname_is_set(void);
|
2012-07-16 12:15:22 +02:00
|
|
|
|
|
|
|
char* gethostname_malloc(void);
|
2010-06-18 02:28:35 +02:00
|
|
|
char* getlogname_malloc(void);
|
2012-07-16 12:15:22 +02:00
|
|
|
char* getusername_malloc(void);
|
2011-02-17 16:29:04 +01:00
|
|
|
|
|
|
|
int getttyname_malloc(int fd, char **r);
|
|
|
|
int getttyname_harder(int fd, char **r);
|
|
|
|
|
2011-06-27 22:44:12 +02:00
|
|
|
int get_ctty_devnr(pid_t pid, dev_t *d);
|
|
|
|
int get_ctty(pid_t, dev_t *_devnr, char **r);
|
2010-06-21 23:27:18 +02:00
|
|
|
|
|
|
|
int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
|
2011-10-07 23:03:07 +02:00
|
|
|
int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid);
|
2010-06-21 23:27:18 +02:00
|
|
|
|
2012-05-16 15:08:27 +02:00
|
|
|
int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
|
2012-07-10 19:05:58 +02:00
|
|
|
int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
|
2011-08-21 20:05:51 +02:00
|
|
|
int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky);
|
2012-07-10 19:05:58 +02:00
|
|
|
int rm_rf_dangerous(const char *path, bool only_dirs, bool delete_root, bool honour_sticky);
|
2010-06-18 02:28:35 +02:00
|
|
|
|
2011-05-23 23:54:00 +02:00
|
|
|
int pipe_eof(int fd);
|
|
|
|
|
2010-07-04 16:44:58 +02:00
|
|
|
cpu_set_t* cpu_set_malloc(unsigned *ncpus);
|
|
|
|
|
2013-10-16 03:17:09 +02:00
|
|
|
int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_(4,0);
|
|
|
|
int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_(4,5);
|
2012-09-17 18:23:10 +02:00
|
|
|
int status_welcome(void);
|
2010-07-07 00:00:59 +02:00
|
|
|
|
2012-01-05 03:24:39 +01:00
|
|
|
int fd_columns(int fd);
|
2011-12-21 18:17:22 +01:00
|
|
|
unsigned columns(void);
|
2012-01-22 18:21:15 +01:00
|
|
|
int fd_lines(int fd);
|
|
|
|
unsigned lines(void);
|
2012-10-19 00:06:47 +02:00
|
|
|
void columns_lines_cache_reset(int _unused_ signum);
|
|
|
|
|
|
|
|
bool on_tty(void);
|
2012-01-22 18:21:15 +01:00
|
|
|
|
2013-08-02 07:59:02 +02:00
|
|
|
static inline const char *ansi_highlight(void) {
|
|
|
|
return on_tty() ? ANSI_HIGHLIGHT_ON : "";
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline const char *ansi_highlight_red(void) {
|
|
|
|
return on_tty() ? ANSI_HIGHLIGHT_RED_ON : "";
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline const char *ansi_highlight_green(void) {
|
|
|
|
return on_tty() ? ANSI_HIGHLIGHT_GREEN_ON : "";
|
|
|
|
}
|
|
|
|
|
2013-11-22 19:18:52 +01:00
|
|
|
static inline const char *ansi_highlight_yellow(void) {
|
|
|
|
return on_tty() ? ANSI_HIGHLIGHT_YELLOW_ON : "";
|
|
|
|
}
|
|
|
|
|
2013-12-17 04:34:07 +01:00
|
|
|
static inline const char *ansi_highlight_blue(void) {
|
|
|
|
return on_tty() ? ANSI_HIGHLIGHT_BLUE_ON : "";
|
|
|
|
}
|
|
|
|
|
2013-08-02 07:59:02 +02:00
|
|
|
static inline const char *ansi_highlight_off(void) {
|
|
|
|
return on_tty() ? ANSI_HIGHLIGHT_OFF : "";
|
|
|
|
}
|
|
|
|
|
2010-07-08 21:34:51 +02:00
|
|
|
int running_in_chroot(void);
|
|
|
|
|
2011-12-21 18:17:22 +01:00
|
|
|
char *ellipsize(const char *s, size_t length, unsigned percent);
|
2013-09-21 03:37:33 +02:00
|
|
|
/* bytes columns */
|
2011-12-21 18:17:22 +01:00
|
|
|
char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent);
|
2010-07-20 20:33:19 +02:00
|
|
|
|
2010-08-16 15:37:52 +02:00
|
|
|
int touch(const char *path);
|
|
|
|
|
2010-09-16 00:36:41 +02:00
|
|
|
char *unquote(const char *s, const char *quotes);
|
2011-01-05 16:06:35 +01:00
|
|
|
char *normalize_env_assignment(const char *s);
|
2010-08-20 02:46:15 +02:00
|
|
|
|
2010-09-15 14:48:59 +02:00
|
|
|
int wait_for_terminate(pid_t pid, siginfo_t *status);
|
2010-09-16 00:36:41 +02:00
|
|
|
int wait_for_terminate_and_warn(const char *name, pid_t pid);
|
2010-09-15 14:37:16 +02:00
|
|
|
|
2010-10-07 19:34:56 +02:00
|
|
|
_noreturn_ void freeze(void);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
bool null_or_empty(struct stat *st) _pure_;
|
2011-07-22 04:21:18 +02:00
|
|
|
int null_or_empty_path(const char *fn);
|
2010-10-08 02:31:36 +02:00
|
|
|
|
2010-12-28 14:20:21 +01:00
|
|
|
DIR *xopendirat(int dirfd, const char *name, int flags);
|
2010-10-18 22:38:41 +02:00
|
|
|
|
2010-11-08 05:02:45 +01:00
|
|
|
char *fstab_node_to_udev_node(const char *p);
|
|
|
|
|
2013-02-28 01:30:38 +01:00
|
|
|
char *resolve_dev_console(char **active);
|
2011-02-14 18:56:51 +01:00
|
|
|
bool tty_is_vc(const char *tty);
|
2012-01-13 21:56:28 +01:00
|
|
|
bool tty_is_vc_resolve(const char *tty);
|
2013-05-03 04:51:50 +02:00
|
|
|
bool tty_is_console(const char *tty) _pure_;
|
2011-06-24 18:50:50 +02:00
|
|
|
int vtnr_from_tty(const char *tty);
|
2010-11-15 23:49:02 +01:00
|
|
|
const char *default_term_for_tty(const char *tty);
|
|
|
|
|
2011-02-15 00:30:11 +01:00
|
|
|
void execute_directory(const char *directory, DIR *_d, char *argv[]);
|
|
|
|
|
2011-03-03 23:55:30 +01:00
|
|
|
int kill_and_sigcont(pid_t pid, int sig);
|
|
|
|
|
2011-03-09 20:01:53 +01:00
|
|
|
bool nulstr_contains(const char*nulstr, const char *needle);
|
|
|
|
|
2011-03-30 02:21:48 +02:00
|
|
|
bool plymouth_running(void);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
bool hostname_is_valid(const char *s) _pure_;
|
2013-05-07 20:55:11 +02:00
|
|
|
char* hostname_cleanup(char *s, bool lowercase);
|
2011-04-16 01:57:23 +02:00
|
|
|
|
|
|
|
char* strshorten(char *s, size_t l);
|
|
|
|
|
2011-05-18 01:07:31 +02:00
|
|
|
int terminal_vhangup_fd(int fd);
|
|
|
|
int terminal_vhangup(const char *name);
|
|
|
|
|
|
|
|
int vt_disallocate(const char *name);
|
|
|
|
|
2013-10-02 19:40:43 +02:00
|
|
|
int copy_file(const char *from, const char *to, int flags);
|
2012-09-14 20:02:52 +02:00
|
|
|
|
|
|
|
int symlink_atomic(const char *from, const char *to);
|
2011-06-15 15:35:23 +02:00
|
|
|
|
|
|
|
int fchmod_umask(int fd, mode_t mode);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
bool display_is_local(const char *display) _pure_;
|
2011-06-27 22:44:12 +02:00
|
|
|
int socket_from_display(const char *display, char **path);
|
|
|
|
|
2012-07-16 12:34:54 +02:00
|
|
|
int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell);
|
2011-07-23 01:17:59 +02:00
|
|
|
int get_group_creds(const char **groupname, gid_t *gid);
|
2011-07-01 23:49:56 +02:00
|
|
|
|
2013-03-22 17:44:15 +01:00
|
|
|
int in_gid(gid_t gid);
|
2012-03-14 19:54:22 +01:00
|
|
|
int in_group(const char *name);
|
|
|
|
|
2013-01-15 03:00:43 +01:00
|
|
|
char* uid_to_name(uid_t uid);
|
2013-03-22 17:44:15 +01:00
|
|
|
char* gid_to_name(gid_t gid);
|
2013-01-15 03:00:43 +01:00
|
|
|
|
2011-07-07 02:07:39 +02:00
|
|
|
int glob_exists(const char *path);
|
2013-06-06 01:30:17 +02:00
|
|
|
int glob_extend(char ***strv, const char *path);
|
2011-07-07 02:07:39 +02:00
|
|
|
|
2011-07-22 04:21:18 +02:00
|
|
|
int dirent_ensure_type(DIR *d, struct dirent *de);
|
|
|
|
|
|
|
|
int in_search_path(const char *path, char **search);
|
2011-07-22 21:01:15 +02:00
|
|
|
int get_files_in_directory(const char *path, char ***list);
|
2011-07-22 04:21:18 +02:00
|
|
|
|
2012-07-13 13:41:01 +02:00
|
|
|
char *strjoin(const char *x, ...) _sentinel_;
|
2011-08-01 01:28:01 +02:00
|
|
|
|
2011-08-01 05:05:12 +02:00
|
|
|
bool is_main_thread(void);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
bool in_charset(const char *s, const char* charset) _pure_;
|
2011-08-20 00:20:41 +02:00
|
|
|
|
2011-08-21 00:28:30 +02:00
|
|
|
int block_get_whole_disk(dev_t d, dev_t *ret);
|
|
|
|
|
2012-01-18 15:40:21 +01:00
|
|
|
int file_is_priv_sticky(const char *p);
|
2011-08-21 20:05:51 +02:00
|
|
|
|
2011-09-28 04:25:13 +02:00
|
|
|
int strdup_or_null(const char *a, char **b);
|
|
|
|
|
2010-11-08 05:02:45 +01:00
|
|
|
#define NULSTR_FOREACH(i, l) \
|
2010-08-20 02:26:05 +02:00
|
|
|
for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
|
|
|
|
|
2010-10-27 05:47:48 +02:00
|
|
|
#define NULSTR_FOREACH_PAIR(i, j, l) \
|
|
|
|
for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i))
|
|
|
|
|
2012-10-30 14:29:38 +01:00
|
|
|
int ioprio_class_to_string_alloc(int i, char **s);
|
2010-01-30 01:52:32 +01:00
|
|
|
int ioprio_class_from_string(const char *s);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
const char *sigchld_code_to_string(int i) _const_;
|
|
|
|
int sigchld_code_from_string(const char *s) _pure_;
|
2010-01-30 01:52:32 +01:00
|
|
|
|
2012-10-30 14:29:38 +01:00
|
|
|
int log_facility_unshifted_to_string_alloc(int i, char **s);
|
2011-03-31 21:22:44 +02:00
|
|
|
int log_facility_unshifted_from_string(const char *s);
|
2010-01-30 01:52:32 +01:00
|
|
|
|
2012-10-30 14:29:38 +01:00
|
|
|
int log_level_to_string_alloc(int i, char **s);
|
2010-01-30 01:52:32 +01:00
|
|
|
int log_level_from_string(const char *s);
|
|
|
|
|
2012-10-30 14:29:38 +01:00
|
|
|
int sched_policy_to_string_alloc(int i, char **s);
|
2010-01-30 01:52:32 +01:00
|
|
|
int sched_policy_from_string(const char *s);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
const char *rlimit_to_string(int i) _const_;
|
|
|
|
int rlimit_from_string(const char *s) _pure_;
|
2010-01-30 01:52:32 +01:00
|
|
|
|
2012-10-30 14:29:38 +01:00
|
|
|
int ip_tos_to_string_alloc(int i, char **s);
|
2010-07-01 00:29:17 +02:00
|
|
|
int ip_tos_from_string(const char *s);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
const char *signal_to_string(int i) _const_;
|
|
|
|
int signal_from_string(const char *s) _pure_;
|
2010-07-10 04:49:37 +02:00
|
|
|
|
2010-10-22 16:11:50 +02:00
|
|
|
int signal_from_string_try_harder(const char *s);
|
|
|
|
|
2011-06-30 04:16:10 +02:00
|
|
|
extern int saved_argc;
|
|
|
|
extern char **saved_argv;
|
|
|
|
|
2011-08-22 14:58:50 +02:00
|
|
|
bool kexec_loaded(void);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
int prot_from_flags(int flags) _const_;
|
2011-10-07 21:06:39 +02:00
|
|
|
|
2011-12-31 02:31:54 +01:00
|
|
|
char *format_bytes(char *buf, size_t l, off_t t);
|
|
|
|
|
2012-01-22 18:21:15 +01:00
|
|
|
int fd_wait_for_event(int fd, int event, usec_t timeout);
|
2012-01-04 18:33:36 +01:00
|
|
|
|
2013-04-26 01:59:35 +02:00
|
|
|
void* memdup(const void *p, size_t l) _alloc_(2);
|
2012-01-05 20:11:47 +01:00
|
|
|
|
2012-01-22 18:18:51 +01:00
|
|
|
int is_kernel_thread(pid_t pid);
|
|
|
|
|
2012-01-27 18:57:37 +01:00
|
|
|
int fd_inc_sndbuf(int fd, size_t n);
|
|
|
|
int fd_inc_rcvbuf(int fd, size_t n);
|
2012-04-11 18:50:16 +02:00
|
|
|
|
2012-04-11 22:37:13 +02:00
|
|
|
int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *path, ...);
|
2012-04-11 18:50:16 +02:00
|
|
|
|
2012-04-12 03:38:52 +02:00
|
|
|
int setrlimit_closest(int resource, const struct rlimit *rlim);
|
|
|
|
|
2012-04-22 14:48:46 +02:00
|
|
|
int getenv_for_pid(pid_t pid, const char *field, char **_value);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
bool is_valid_documentation_url(const char *url) _pure_;
|
2012-05-21 15:12:18 +02:00
|
|
|
|
2012-05-16 14:22:40 +02:00
|
|
|
bool in_initrd(void);
|
2012-05-30 15:01:51 +02:00
|
|
|
|
|
|
|
void warn_melody(void);
|
|
|
|
|
2012-07-16 12:15:22 +02:00
|
|
|
int get_home_dir(char **ret);
|
2013-12-16 04:59:31 +01:00
|
|
|
int get_shell(char **_ret);
|
2012-09-13 22:30:26 +02:00
|
|
|
|
2013-03-06 14:44:51 +01:00
|
|
|
static inline void freep(void *p) {
|
|
|
|
free(*(void**) p);
|
|
|
|
}
|
|
|
|
|
2013-10-14 04:59:26 +02:00
|
|
|
#define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \
|
|
|
|
static inline void func##p(type *p) { \
|
|
|
|
if (*p) \
|
|
|
|
func(*p); \
|
|
|
|
} \
|
|
|
|
struct __useless_struct_to_allow_trailing_semicolon__
|
2013-04-16 05:25:57 +02:00
|
|
|
|
|
|
|
static inline void closep(int *fd) {
|
|
|
|
if (*fd >= 0)
|
|
|
|
close_nointr_nofail(*fd);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void umaskp(mode_t *u) {
|
|
|
|
umask(*u);
|
2013-03-18 04:36:25 +01:00
|
|
|
}
|
|
|
|
|
2013-10-31 01:25:44 +01:00
|
|
|
static inline void close_pipep(int (*p)[2]) {
|
|
|
|
close_pipe(*p);
|
|
|
|
}
|
|
|
|
|
2013-10-14 04:59:26 +02:00
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, fclose);
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, pclose);
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(DIR*, closedir);
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent);
|
2013-10-04 04:13:55 +02:00
|
|
|
|
2013-04-16 05:25:57 +02:00
|
|
|
#define _cleanup_free_ _cleanup_(freep)
|
|
|
|
#define _cleanup_close_ _cleanup_(closep)
|
|
|
|
#define _cleanup_umask_ _cleanup_(umaskp)
|
|
|
|
#define _cleanup_globfree_ _cleanup_(globfree)
|
2013-10-13 02:28:21 +02:00
|
|
|
#define _cleanup_fclose_ _cleanup_(fclosep)
|
|
|
|
#define _cleanup_pclose_ _cleanup_(pclosep)
|
|
|
|
#define _cleanup_closedir_ _cleanup_(closedirp)
|
2013-10-04 04:13:55 +02:00
|
|
|
#define _cleanup_endmntent_ _cleanup_(endmntentp)
|
2013-10-31 01:25:44 +01:00
|
|
|
#define _cleanup_close_pipe_ _cleanup_(close_pipep)
|
2013-03-25 00:09:19 +01:00
|
|
|
|
2013-04-26 01:59:35 +02:00
|
|
|
_malloc_ _alloc_(1, 2) static inline void *malloc_multiply(size_t a, size_t b) {
|
2012-09-20 17:53:03 +02:00
|
|
|
if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
|
2012-09-20 00:02:01 +02:00
|
|
|
return NULL;
|
|
|
|
|
|
|
|
return malloc(a * b);
|
|
|
|
}
|
|
|
|
|
2013-04-26 01:59:35 +02:00
|
|
|
_alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t a, size_t b) {
|
2012-09-20 17:53:03 +02:00
|
|
|
if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
|
2012-09-20 00:02:01 +02:00
|
|
|
return NULL;
|
|
|
|
|
|
|
|
return memdup(p, a * b);
|
|
|
|
}
|
2012-10-03 19:29:20 +02:00
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
bool filename_is_safe(const char *p) _pure_;
|
|
|
|
bool path_is_safe(const char *p) _pure_;
|
|
|
|
bool string_is_safe(const char *p) _pure_;
|
|
|
|
bool string_has_cc(const char *p) _pure_;
|
2012-10-11 16:42:46 +02:00
|
|
|
|
2012-10-22 14:31:46 +02:00
|
|
|
void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
|
|
|
|
int (*compar) (const void *, const void *, void *),
|
|
|
|
void *arg);
|
2012-11-02 17:27:15 +01:00
|
|
|
|
|
|
|
bool is_locale_utf8(void);
|
2012-11-02 17:35:30 +01:00
|
|
|
|
|
|
|
typedef enum DrawSpecialChar {
|
2012-11-12 22:27:48 +01:00
|
|
|
DRAW_TREE_VERT,
|
|
|
|
DRAW_TREE_BRANCH,
|
|
|
|
DRAW_TREE_RIGHT,
|
2013-01-17 21:34:11 +01:00
|
|
|
DRAW_TREE_SPACE,
|
2012-11-02 17:35:30 +01:00
|
|
|
DRAW_TRIANGULAR_BULLET,
|
2013-11-07 16:42:54 +01:00
|
|
|
DRAW_BLACK_CIRCLE,
|
2012-11-02 17:35:30 +01:00
|
|
|
_DRAW_SPECIAL_CHAR_MAX
|
|
|
|
} DrawSpecialChar;
|
|
|
|
const char *draw_special_char(DrawSpecialChar ch);
|
2012-11-14 22:16:23 +01:00
|
|
|
|
|
|
|
char *strreplace(const char *text, const char *old_string, const char *new_string);
|
2012-12-23 11:23:59 +01:00
|
|
|
|
|
|
|
char *strip_tab_ansi(char **p, size_t *l);
|
2012-12-25 16:29:51 +01:00
|
|
|
|
|
|
|
int on_ac_power(void);
|
2013-02-11 05:09:29 +01:00
|
|
|
|
2013-02-11 23:48:36 +01:00
|
|
|
int search_and_fopen(const char *path, const char *mode, const char **search, FILE **_f);
|
|
|
|
int search_and_fopen_nulstr(const char *path, const char *mode, const char *search, FILE **_f);
|
|
|
|
|
2013-02-13 22:02:40 +01:00
|
|
|
#define FOREACH_LINE(line, f, on_error) \
|
|
|
|
for (;;) \
|
2013-02-11 05:09:29 +01:00
|
|
|
if (!fgets(line, sizeof(line), f)) { \
|
|
|
|
if (ferror(f)) { \
|
|
|
|
on_error; \
|
|
|
|
} \
|
|
|
|
break; \
|
|
|
|
} else
|
2013-02-13 22:02:40 +01:00
|
|
|
|
|
|
|
#define FOREACH_DIRENT(de, d, on_error) \
|
|
|
|
for (errno = 0, de = readdir(d);; errno = 0, de = readdir(d)) \
|
|
|
|
if (!de) { \
|
2013-03-28 14:24:15 +01:00
|
|
|
if (errno > 0) { \
|
2013-02-13 22:02:40 +01:00
|
|
|
on_error; \
|
|
|
|
} \
|
|
|
|
break; \
|
|
|
|
} else if (ignore_file((de)->d_name)) \
|
|
|
|
continue; \
|
|
|
|
else
|
2013-03-05 15:52:44 +01:00
|
|
|
|
|
|
|
static inline void *mempset(void *s, int c, size_t n) {
|
|
|
|
memset(s, c, n);
|
2013-04-16 05:25:57 +02:00
|
|
|
return (uint8_t*)s + n;
|
2013-03-05 15:52:44 +01:00
|
|
|
}
|
2013-03-19 20:01:18 +01:00
|
|
|
|
|
|
|
char *hexmem(const void *p, size_t l);
|
2013-03-30 15:21:06 +01:00
|
|
|
void *unhexmem(const char *p, size_t l);
|
|
|
|
|
2013-04-30 19:11:49 +02:00
|
|
|
char *strextend(char **x, ...) _sentinel_;
|
2013-03-20 03:15:03 +01:00
|
|
|
char *strrep(const char *s, unsigned n);
|
2013-03-31 16:16:37 +02:00
|
|
|
|
|
|
|
void* greedy_realloc(void **p, size_t *allocated, size_t need);
|
2013-11-30 11:31:59 +01:00
|
|
|
void* greedy_realloc0(void **p, size_t *allocated, size_t need);
|
2013-04-12 00:58:45 +02:00
|
|
|
#define GREEDY_REALLOC(array, allocated, need) \
|
2013-04-16 05:25:57 +02:00
|
|
|
greedy_realloc((void**) &(array), &(allocated), sizeof((array)[0]) * (need))
|
2013-11-30 11:31:59 +01:00
|
|
|
#define GREEDY_REALLOC0(array, allocated, need) \
|
|
|
|
greedy_realloc0((void**) &(array), &(allocated), sizeof((array)[0]) * (need))
|
2013-04-02 16:31:55 +02:00
|
|
|
|
2013-04-04 03:39:39 +02:00
|
|
|
static inline void _reset_errno_(int *saved_errno) {
|
2013-04-02 16:31:55 +02:00
|
|
|
errno = *saved_errno;
|
|
|
|
}
|
|
|
|
|
2013-04-26 02:53:29 +02:00
|
|
|
#define PROTECT_ERRNO _cleanup_(_reset_errno_) __attribute__((unused)) int _saved_errno_ = errno
|
2013-04-04 03:39:39 +02:00
|
|
|
|
2013-04-25 05:04:02 +02:00
|
|
|
struct _umask_struct_ {
|
2013-04-04 03:39:39 +02:00
|
|
|
mode_t mask;
|
|
|
|
bool quit;
|
|
|
|
};
|
|
|
|
|
2013-04-25 05:04:02 +02:00
|
|
|
static inline void _reset_umask_(struct _umask_struct_ *s) {
|
2013-04-04 03:39:39 +02:00
|
|
|
umask(s->mask);
|
|
|
|
};
|
|
|
|
|
|
|
|
#define RUN_WITH_UMASK(mask) \
|
2013-04-25 05:04:02 +02:00
|
|
|
for (_cleanup_(_reset_umask_) struct _umask_struct_ _saved_umask_ = { umask(mask), false }; \
|
2013-04-04 03:39:39 +02:00
|
|
|
!_saved_umask_.quit ; \
|
|
|
|
_saved_umask_.quit = true)
|
2013-04-05 01:09:50 +02:00
|
|
|
|
|
|
|
static inline unsigned u64log2(uint64_t n) {
|
|
|
|
return (n > 1) ? __builtin_clzll(n) ^ 63U : 0;
|
|
|
|
}
|
2013-03-26 11:36:31 +01:00
|
|
|
|
|
|
|
static inline bool logind_running(void) {
|
|
|
|
return access("/run/systemd/seats/", F_OK) >= 0;
|
|
|
|
}
|
2013-04-08 22:43:52 +02:00
|
|
|
|
2013-04-16 05:04:53 +02:00
|
|
|
#define DECIMAL_STR_WIDTH(x) \
|
|
|
|
({ \
|
|
|
|
typeof(x) _x_ = (x); \
|
|
|
|
unsigned ans = 1; \
|
|
|
|
while (_x_ /= 10) \
|
|
|
|
ans++; \
|
|
|
|
ans; \
|
|
|
|
})
|
2013-04-11 00:30:19 +02:00
|
|
|
|
2013-04-08 22:43:52 +02:00
|
|
|
int unlink_noerrno(const char *path);
|
2013-04-14 17:43:59 +02:00
|
|
|
|
2013-04-16 05:04:53 +02:00
|
|
|
#define alloca0(n) \
|
|
|
|
({ \
|
|
|
|
char *_new_; \
|
|
|
|
size_t _len_ = n; \
|
|
|
|
_new_ = alloca(_len_); \
|
|
|
|
(void *) memset(_new_, 0, _len_); \
|
2013-04-14 17:43:59 +02:00
|
|
|
})
|
2013-04-16 05:47:04 +02:00
|
|
|
|
|
|
|
#define strappenda(a, b) \
|
|
|
|
({ \
|
|
|
|
const char *_a_ = (a), *_b_ = (b); \
|
|
|
|
char *_c_; \
|
|
|
|
size_t _x_, _y_; \
|
|
|
|
_x_ = strlen(_a_); \
|
|
|
|
_y_ = strlen(_b_); \
|
|
|
|
_c_ = alloca(_x_ + _y_ + 1); \
|
|
|
|
strcpy(stpcpy(_c_, _a_), _b_); \
|
|
|
|
_c_; \
|
|
|
|
})
|
2013-04-17 23:19:38 +02:00
|
|
|
|
|
|
|
#define procfs_file_alloca(pid, field) \
|
|
|
|
({ \
|
|
|
|
pid_t _pid_ = (pid); \
|
|
|
|
char *_r_; \
|
|
|
|
_r_ = alloca(sizeof("/proc/") -1 + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \
|
|
|
|
sprintf(_r_, "/proc/%lu/" field, (unsigned long) _pid_); \
|
|
|
|
_r_; \
|
|
|
|
})
|
2013-04-25 05:04:02 +02:00
|
|
|
|
|
|
|
struct _locale_struct_ {
|
|
|
|
locale_t saved_locale;
|
|
|
|
locale_t new_locale;
|
|
|
|
bool quit;
|
|
|
|
};
|
|
|
|
|
|
|
|
static inline void _reset_locale_(struct _locale_struct_ *s) {
|
|
|
|
PROTECT_ERRNO;
|
|
|
|
if (s->saved_locale != (locale_t) 0)
|
|
|
|
uselocale(s->saved_locale);
|
|
|
|
if (s->new_locale != (locale_t) 0)
|
|
|
|
freelocale(s->new_locale);
|
|
|
|
}
|
|
|
|
|
|
|
|
#define RUN_WITH_LOCALE(mask, loc) \
|
|
|
|
for (_cleanup_(_reset_locale_) struct _locale_struct_ _saved_locale_ = { (locale_t) 0, (locale_t) 0, false }; \
|
|
|
|
({ \
|
|
|
|
if (!_saved_locale_.quit) { \
|
|
|
|
PROTECT_ERRNO; \
|
|
|
|
_saved_locale_.new_locale = newlocale((mask), (loc), (locale_t) 0); \
|
|
|
|
if (_saved_locale_.new_locale != (locale_t) 0) \
|
|
|
|
_saved_locale_.saved_locale = uselocale(_saved_locale_.new_locale); \
|
|
|
|
} \
|
|
|
|
!_saved_locale_.quit; }) ; \
|
|
|
|
_saved_locale_.quit = true)
|
2013-04-29 23:39:12 +02:00
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|
|
|
2013-05-03 04:51:50 +02:00
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|
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bool id128_is_valid(const char *s) _pure_;
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2013-06-09 22:54:39 +02:00
|
|
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void parse_user_at_host(char *arg, char **user, char **host);
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2013-07-18 20:22:29 +02:00
|
|
|
|
|
|
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int split_pair(const char *s, const char *sep, char **l, char **r);
|
2013-10-12 01:33:13 +02:00
|
|
|
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2013-11-06 03:15:16 +01:00
|
|
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int shall_restore_state(void);
|
2013-10-19 00:46:07 +02:00
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|
|
|
2013-10-12 01:33:13 +02:00
|
|
|
/**
|
|
|
|
* Normal qsort requires base to be nonnull. Here were require
|
|
|
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* that only if nmemb > 0.
|
|
|
|
*/
|
|
|
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static inline void qsort_safe(void *base, size_t nmemb, size_t size,
|
|
|
|
int (*compar)(const void *, const void *)) {
|
|
|
|
if (nmemb) {
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|
|
assert(base);
|
|
|
|
qsort(base, nmemb, size, compar);
|
|
|
|
}
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|
|
|
}
|
2013-11-06 03:15:16 +01:00
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|
|
|
|
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int proc_cmdline(char **ret);
|
2013-12-13 22:02:47 +01:00
|
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|
|
|
|
|
int container_get_leader(const char *machine, pid_t *pid);
|
|
|
|
|
2013-12-17 01:03:09 +01:00
|
|
|
int namespace_open(pid_t pid, int *pidns_fd, int *mntns_fd, int *root_fd);
|
|
|
|
int namespace_enter(int pidns_fd, int mntns_fd, int root_fd);
|